commit 0e934b263c3e3fc2cdf63345e88abb198b7e0e0e
author Siqi Lin <siqilin@google.com> Wed Jul 26 13:18:15 2017 -0700
committer Siqi Lin <siqilin@google.com> Wed Jul 26 13:40:15 2017 -0700
tree 38c992f89c6f3a037ad1569bf5c2f492ac61aa32
parent 8d0cd18a8522ca3c28a1a57f6b5d0fb0cbe6490b

rootdir: record last build fingerprint

We can't copy /default.prop so just write the value of
$(ro.build.fingerprint) to /data/misc/recovery/ro.build.fingerprint
and rotate it after reboot instead.

Bug: 62793047
Test: manual - reboot phone and check /data/misc/recovery
Change-Id: I130a4b7a01d9e1bfe9baecde2781626eb72e768b

rootdir/init.rc

diff --git a/rootdir/init.rc b/rootdir/init.rc
index 041e444..fd2c838 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -380,12 +380,12 @@
     # create basic filesystem structure
     mkdir /data/misc 01771 system misc
     mkdir /data/misc/recovery 0770 system log
-    copy /data/misc/recovery/default.prop /data/misc/recovery/default.prop.1
-    chmod 0440 /data/misc/recovery/default.prop.1
-    chown system log /data/misc/recovery/default.prop.1
-    copy /default.prop /data/misc/recovery/default.prop
-    chmod 0440 /data/misc/recovery/default.prop
-    chown system log /data/misc/recovery/default.prop
+    copy /data/misc/recovery/ro.build.fingerprint /data/misc/recovery/ro.build.fingerprint.1
+    chmod 0440 /data/misc/recovery/ro.build.fingerprint.1
+    chown system log /data/misc/recovery/ro.build.fingerprint.1
+    write /data/misc/recovery/ro.build.fingerprint ${ro.build.fingerprint}
+    chmod 0440 /data/misc/recovery/ro.build.fingerprint
+    chown system log /data/misc/recovery/ro.build.fingerprint
     mkdir /data/misc/recovery/proc 0770 system log
     copy /data/misc/recovery/proc/version /data/misc/recovery/proc/version.1
     chmod 0440 /data/misc/recovery/proc/version.1